Re: [PATCH] fs/ocfs2/dlmglue: lockdep_keys defined but not used

From: Anders Roxell
Date: Fri Aug 24 2018 - 09:07:18 EST


On Thu, 23 Aug 2018 at 23:07, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:
>
> Hi Anders,
>
> On Wed, Jul 4, 2018 at 11:54 AM Anders Roxell <anders.roxell@xxxxxxxxxx> wrote:
> > When CONFIG_DEBUG_LOCK_ALLOC isn't enabled lockdep_keys isn't used and
> > we get a warning:
> > fs/ocfs2/dlmglue.c:99:30: warning: âlockdep_keysâ defined but not used
> > [-Wunused-variable]
> > static struct lock_class_key lockdep_keys[OCFS2_NUM_LOCK_TYPES];
> > ^~~~~~~~~~~~
> > Adding __maybe_unused to the declaration hids the warning.
>
> Thanks for your patcj!
>
> > Fixes: 1cd75cdb8fbb ("ocfs2: make several functions and variables static (and some const)")
>
> Fixes: 480bd56485b77c36 ("ocfs2: make several functions and variables
> static (and some const)")

Thanks, thats correct.

>
> Presumably the branch got rebased?

probably.

Mark, Joel, do you want me to send a new patch where I correct the sha
in the "Fixes" part of the changelog or can you fix that?

Cheers,
Anders

>
> > Signed-off-by: Anders Roxell <anders.roxell@xxxxxxxxxx>
>
> Acked-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
>
> Gr{oetje,eeting}s,
>
> Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
> -- Linus Torvalds